Table 3.

The results of catheter-related complications in observational studies

Infections		Results				Heterogeneity
Parameter	N/Pt-yr	Effects Model	Pooled Estimate	95% CI	P-value	Chi2	I2	P-value
Migration [10, 12, 18–20]	5/440	Fixed	0.42	0.19 to 0.90	0.03	7.55	34%	0.18
Omentum adhesion [18, 20]	2/166	Fixed	0.32	0.05 to 2.10	0.24	0.94	0%	0.33
Hernia [12, 18, 19]	3/243	Fixed	0.38	0.09 to 1.68	0.20	0.29	0%	0.20
Leakage [10, 12, 14, 16, 18, 19]	8/731	Fixed	0.69	0.38 to 1.26	0.23	12.83	45%	0.08
Bleeding [12, 17–19]	4/263	Fixed	3.88	1.28 to 11.77	0.02	0.08	0%	0.96
Intestinal obstruction [16, 18–20]	5/532	Fixed	0.96	0.48 to 1.91	0.90	2.54	0%	0.64
Catheter removal [10, 16]	2/198	Fixed	0.41	0.21 to 0.79	0.008	0.06	0%	0.80
Perforation [16]	1/148	Fixed	0.95	0.06 to 15.42	0.97	Not applicable

N/Pt-yr: No. of studies/Patient-years